Gallery Another Hog-nose Pit-viper 25 January 2010 Justin Montemarano 3 Comments The third species of Porthidium I’ve encounter, P. porrasi is found on the Osa Peninsula. I discovered P. nasutum in La Selva a few years ago, and P. ophryomegas in Palo Verde last June. I’ve yet to see P. volcanicum though…